W-2 Details
Tax Calculations
State and Local Taxes
Understand codes
real world
100

This box reports wages that are subject to federal income tax, which may be lower than total earnings because of deductions.


Box 1

100

If Box 1 shows $26,474 and Box 2 shows $3,423 withheld, what does Box 2 represent?


Federal income tax already paid.


100

These boxes report state income earned and taxes paid to the state government.


Boxes 16 and 17

100

In box 13 which box if checked off indicates that the employee is participating in an amplifier retirement plan

The second/middle box

100

A student works two part-time jobs during the year. How many W-2 forms should they expect?


Two W-2s (one from each employer)


200

This number uniquely identifies the employer for tax purposes and is required when filing taxes.


What is the Employer Identification Number (EIN)


200

If Social Security wages are $27,845 and Social Security tax withheld is $1,726, what percentage tax was roughly applied?


About 6.2% Social Security tax


200

These boxes report income and taxes paid to a local government, such as a city tax.


Boxes 18 and 19

200

Code D in Box 12 usually represents contributions to this type of retirement account


A 401(k)


200

A worker’s W-2 shows $3,000 withheld in federal taxes, but when they file taxes they only owe $2,400. What happens?


 They receive a $600 refund.


300

These two boxes usually show the same wage amount, unless special deductions change the taxable income.


Boxes 3 and 5

300

Medicare tax withheld is typically this percentage of Medicare wages.



About 1.45%

300

This box includes the state abbreviation and the employer’s state ID number.


Box 15

300

Code DD in Box 12 shows the cost of this type of employee benefit provided by the employer


Health insurance coverage

300

Someone loses their W-2 before filing taxes. Who should they contact first to get another copy?


Their employer.


400

This box may include codes showing contributions to retirement plans or health benefits


Box 12

400

If Box 1 is significantly lower than Box 3, it may mean the employee contributed to this type of pre-tax benefit 


401k

400

If someone works in one state but lives in another, their W-2 may show tax information for multiple entries in these boxes.


Boxes 15-20

400

If the “Statutory employee” box in Box 13 is checked, the worker is treated like this for certain tax purposes.


Self-employed for Social Security and Medicare taxes.


400

An employee notices their Social Security number is wrong on their W-2. If not corrected, this could cause problems with records at this agency


The Social Security Administration.


500

Which box would you look at if you wanted to see extra compensation or benefits that are explained using letter codes?


 Box 12


500

An employee’s W-2 shows $28,000 in Box 1 and $3,360 in Box 2. About what percentage of their taxable wages was withheld for federal income tax?


12%

500

If a W-2 shows state income tax withheld but no local tax withheld, what does that likely mean about where the employee worked?


The location does not have a local income tax.


500

Box 12 can list multiple codes like D, DD, or others. Why might there be more than one code listed in this box for the same employee?


Because the employee received multiple types of benefits or deductions during the year


500

A worker receives their W-2 and notices that no federal income tax was withheld in Box 2, even though they earned money during the year. What is one possible reason this happened


They may have claimed and exemption

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